World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Asa | JPASA | Japan |
| Asaa | DKASA | Denmark |
| Asahimachi | JPASI | Japan |
| Asaka | UZASA | Uzbekistan |
| Asakawa | JPASW | Japan |
| Asakuchi | JPAUI | Japan |
| Asaluyeh | IRASA | Iran, Islamic Republic of |
| Asami | JPASM | Japan |
| Asamogawa | JPAMG | Japan |
| Asau | WSAAU | Samoa |